Quick Definition
I compete
Strong's Definition
to contend in the competitive games
Derivation: from (a contest in the public lists);
KJV Usage: strive
Thayer's Greek Lexicon
ἀθλέω, (ῶ; (1 aorist subjunctive 3 person singular ἀθλήσῃ); (ἆθλος, a contest); to engage in a contest, contend in public games (e. g. Olympian, Pythian, Isthmian), with the poniard(?), gauntlet, quoit, in wrestling, running, or any other way: 2Ti_2:5; (often in classic authors who also use the form ἀθλεύω). (Compare: συναθλέω).
Mounce Concise Greek Dictionary
ἀθλέω athleō 2x
to strive, contend, be a champion in the public games, 2Ti_2:5
Abbott-Smith Greek Lexicon
* ἀθλέω , -ῶ
(in cl . also ἀθλεύω , <ἆθλος ,
a contest, in war or in sport), to contend in games, wrestle, combat: 2Ti_2:5 .†
Liddell-Scott — Intermediate Greek Lexicon
ἀθλέω [Etym: ἆθλος, commoner form of ἀθλεύω.] Λαομέδοντι ἀθλήσαντες "having contended with" him, Il. ; πολλά περ ἀθλήσαντα "having gone through" many "struggles", id=Il. : "to contend in battle", πρός τινα Hdt.
STEPBible — Tyndale Abridged Greek Lexicon
ἀθλέω, -ῶ (in cl. also ἀθλεύω, ἆθλος, a contest, in war or in sport),
to contend in games, wrestle, combat: 2Ti.2:5.†
(AS)